21731478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 46817280

約数和(自身を除く): 25085802

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 114, 127, 158, 237, 254, 361, 381, 474, 722, 762, 1083, 1501, 2166, 2413, 3002, 4503, 4826, 7239, 9006, 10033, 14478, 20066, 28519, 30099, 45847, 57038, 60198, 85557, 91694, 137541, 171114, 190627, 275082, 381254, 571881, 1143762, 3621913, 7243826, 10865739, 21731478]

約数ペア:

[(1, 21731478), (2, 10865739), (3, 7243826), (6, 3621913), (19, 1143762), (38, 571881), (57, 381254), (79, 275082), (114, 190627), (127, 171114), (158, 137541), (237, 91694), (254, 85557), (361, 60198), (381, 57038), (474, 45847), (722, 30099), (762, 28519), (1083, 20066), (1501, 14478), (2166, 10033), (2413, 9006), (3002, 7239), (4503, 4826)]